class People{
	float hello{int a,int b){
		return a+b;
	}
	float hello(long a,int b){
		return a-b;
	}
	double hello(double a, int b){
		return a*b;
	}
	}
public class Example4_12{
  public static void main(String args[]){
	  People tom =new People();
	  System.out.println(tom.hello(10,20));
	  System.out.println(tom.hello(10L,20));
	  System.out.println(tom.hello(10.0,20));
  }
}
	  
	  